Hi,
I have had Server Essentials 2012 on a physical machine backing up to Azure for a number of years now without issue. But as the server itself was becoming old I decided to build a new machine. This time however I have used Hyper V Core 2019, then added Server Essentials 2016 (needed remote web access) as a virtual machine.
The server is all working ok other than the Azure Backup. If I use the Essentials Dashboard to 'Register this server for backup', i create a new Backup Vault, then click next I get an error.
'An unknown error occured. To troubleshoot the issue, view the event log for additional details, and then see Troubleshoot Microsoft Azure Backup. Error code:80040280.'
I can not see anything in the event logs relating to this. I have tried disabling the firewall but still get the same issue.